Yuki Kawauchi and 11 other Boston Marathon champs to return this fall

The list includes 2012 winner and former course record holder Josh Cassidy of Guelph, Ont. in the wheelchair division

Yuki Kawauchi becomes first person to run 100 sub-2:20 marathons

After a 2:10:26 finish at a race in Japan in December, Kawauchi broke 2:20 in the marathon for a record 100th time

Fukuoka International Marathon hosts limited field of 70 elites for annual race

The 2018 Boston Marathon champion finished well back of his personal best in the 104th marathon of his career